As a reminder, the way we left things last time is illustrated below. We created our first program, which flashed the orange light-emitting diode (LED) on our Arduino Uno. This LED is connected to the ...

Water level monitor using open-source microcontrollers (Arduino, ESP8266, ESP32) and ultrasonic sensors HC-SR04 / JSN-SR04T and similar with Trigger and Echo signals. Arduino Core & ESP-IDF ...

More information: Jai-yeop Lee, Low-cost sensor-based algal bloom labeling: a comparative study of SVM and logic methods, Environmental Monitoring and Assessment (2025). DOI: 10.1007/s10661-025 ...

The project includes 3D-printed parts, wooden supports, and a repurposed mini conveyor belt.The working combines stepper motors, IR sensors, and a 16x2 LCD.A NEMA17 stepper motor is used to rotate the ...